la_lapack::gtsv Interface Reference

GTSV: solves the equation A*X = B, where A is an N-by-N tridiagonal matrix, by Gaussian elimination with partial pivoting. Note that the equation A**T *X = B may be solved by interchanging the order of the arguments DU and DL. More...

Public Member Functions
pure subroutine	cgtsv (n, nrhs, dl, d, du, b, ldb, info)
	la_cgtsv
pure subroutine	dgtsv (n, nrhs, dl, d, du, b, ldb, info)
	la_dgtsv
	la_qgtsv
pure subroutine	sgtsv (n, nrhs, dl, d, du, b, ldb, info)
	la_sgtsv
	la_wgtsv
pure subroutine	zgtsv (n, nrhs, dl, d, du, b, ldb, info)
	la_zgtsv

Detailed Description

GTSV: solves the equation A*X = B, where A is an N-by-N tridiagonal matrix, by Gaussian elimination with partial pivoting. Note that the equation A**T *X = B may be solved by interchanging the order of the arguments DU and DL.

Member Function/Subroutine Documentation

cgtsv()

pure subroutine la_lapack::gtsv::cgtsv	(	integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	nrhs,
		complex(sp), dimension(*), intent(inout)	dl,
		complex(sp), dimension(*), intent(inout)	d,
		complex(sp), dimension(*), intent(inout)	du,
		complex(sp), dimension(ldb,*), intent(inout)	b,
		integer(ilp), intent(in)	ldb,
		integer(ilp), intent(out)	info )

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dgtsv()

pure subroutine la_lapack::gtsv::dgtsv	(	integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	nrhs,
		real(dp), dimension(*), intent(inout)	dl,
		real(dp), dimension(*), intent(inout)	d,
		real(dp), dimension(*), intent(inout)	du,
		real(dp), dimension(ldb,*), intent(inout)	b,
		integer(ilp), intent(in)	ldb,
		integer(ilp), intent(out)	info )

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la_cgtsv()

la_lapack::gtsv::la_cgtsv

la_dgtsv()

la_lapack::gtsv::la_dgtsv

la_qgtsv()

la_lapack::gtsv::la_qgtsv

la_sgtsv()

la_lapack::gtsv::la_sgtsv

la_wgtsv()

la_lapack::gtsv::la_wgtsv

la_zgtsv()

la_lapack::gtsv::la_zgtsv

sgtsv()

pure subroutine la_lapack::gtsv::sgtsv	(	integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	nrhs,
		real(sp), dimension(*), intent(inout)	dl,
		real(sp), dimension(*), intent(inout)	d,
		real(sp), dimension(*), intent(inout)	du,
		real(sp), dimension(ldb,*), intent(inout)	b,
		integer(ilp), intent(in)	ldb,
		integer(ilp), intent(out)	info )

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zgtsv()

pure subroutine la_lapack::gtsv::zgtsv	(	integer(ilp), intent(in)	n,
		integer(ilp), intent(in)	nrhs,
		complex(dp), dimension(*), intent(inout)	dl,
		complex(dp), dimension(*), intent(inout)	d,
		complex(dp), dimension(*), intent(inout)	du,
		complex(dp), dimension(ldb,*), intent(inout)	b,
		integer(ilp), intent(in)	ldb,
		integer(ilp), intent(out)	info )

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The documentation for this interface was generated from the following file:

• la_lapack.f90